initial commit, 4.5 stable

editor/scene/texture/texture_region_editor_plugin.h

@@ -0,0 +1,181 @@
+/**************************************************************************/
+/*  texture_region_editor_plugin.h                                        */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "editor/inspector/editor_inspector.h"
+#include "editor/plugins/editor_plugin.h"
+#include "scene/gui/dialogs.h"
+
+class AtlasTexture;
+class NinePatchRect;
+class OptionButton;
+class PanelContainer;
+class Sprite2D;
+class Sprite3D;
+class StyleBoxTexture;
+class ViewPanner;
+
+class TextureRegionEditor : public AcceptDialog {
+	GDCLASS(TextureRegionEditor, AcceptDialog);
+
+	enum SnapMode {
+		SNAP_NONE,
+		SNAP_PIXEL,
+		SNAP_GRID,
+		SNAP_AUTOSLICE
+	};
+
+	friend class TextureRegionEditorPlugin;
+	OptionButton *snap_mode_button = nullptr;
+	Button *zoom_in = nullptr;
+	Button *zoom_reset = nullptr;
+	Button *zoom_out = nullptr;
+	HBoxContainer *hb_grid = nullptr; //For showing/hiding the grid controls when changing the SnapMode
+	SpinBox *sb_step_y = nullptr;
+	SpinBox *sb_step_x = nullptr;
+	SpinBox *sb_off_y = nullptr;
+	SpinBox *sb_off_x = nullptr;
+	SpinBox *sb_sep_y = nullptr;
+	SpinBox *sb_sep_x = nullptr;
+
+	PanelContainer *texture_preview = nullptr;
+	Panel *texture_overlay = nullptr;
+
+	VScrollBar *vscroll = nullptr;
+	HScrollBar *hscroll = nullptr;
+
+	Vector2 draw_ofs;
+	float draw_zoom = 1.0;
+	float min_draw_zoom = 1.0;
+	float max_draw_zoom = 1.0;
+	bool updating_scroll = false;
+
+	SnapMode snap_mode = SNAP_NONE;
+	Vector2 snap_offset;
+	Vector2 snap_step;
+	Vector2 snap_separation;
+
+	Sprite2D *node_sprite_2d = nullptr;
+	Sprite3D *node_sprite_3d = nullptr;
+	NinePatchRect *node_ninepatch = nullptr;
+	Ref<StyleBoxTexture> res_stylebox;
+	Ref<AtlasTexture> res_atlas_texture;
+
+	Rect2 rect;
+	Rect2 rect_prev;
+	float prev_margin = 0.0f;
+	int edited_margin = -1;
+	HashMap<RID, List<Rect2>> cache_map;
+	List<Rect2> autoslice_cache;
+	bool autoslice_is_dirty = true;
+
+	bool drag = false;
+	bool creating = false;
+	Vector2 drag_from;
+	int drag_index = -1;
+	bool request_center = false;
+
+	Ref<ViewPanner> panner;
+	void _pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event);
+	void _zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event);
+	void _scroll_changed(float);
+	Transform2D _get_offset_transform() const;
+
+	void _set_snap_mode(int p_mode);
+	void _set_snap_off_x(float p_val);
+	void _set_snap_off_y(float p_val);
+	void _set_snap_step_x(float p_val);
+	void _set_snap_step_y(float p_val);
+	void _set_snap_sep_x(float p_val);
+	void _set_snap_sep_y(float p_val);
+
+	void _zoom_on_position(float p_zoom, Point2 p_position = Point2());
+	void _zoom_in();
+	void _zoom_reset();
+	void _zoom_out();
+
+	void _apply_rect(const Rect2 &p_rect);
+	void _update_rect();
+	void _update_autoslice();
+
+	Ref<Texture2D> _get_edited_object_texture() const;
+	Rect2 _get_edited_object_region() const;
+	void _texture_changed();
+	void _node_removed(Node *p_node);
+
+	void _edit_region();
+	void _clear_edited_object();
+
+	void _draw_margin_line(Vector2 p_from, Vector2 p_to);
+
+	void _set_grid_parameters_clamping(bool p_enabled);
+
+protected:
+	void _notification(int p_what);
+	virtual void shortcut_input(const Ref<InputEvent> &p_event) override;
+	static void _bind_methods();
+
+	void _texture_preview_draw();
+	void _texture_overlay_draw();
+	void _texture_overlay_input(const Ref<InputEvent> &p_input);
+
+	Vector2 snap_point(Vector2 p_target) const;
+
+public:
+	void edit(Object *p_obj);
+
+	TextureRegionEditor();
+};
+
+//
+
+class EditorInspectorPluginTextureRegion : public EditorInspectorPlugin {
+	GDCLASS(EditorInspectorPluginTextureRegion, EditorInspectorPlugin);
+
+	TextureRegionEditor *texture_region_editor = nullptr;
+
+	void _region_edit(Object *p_object);
+
+public:
+	virtual bool can_handle(Object *p_object) override;
+	virtual bool parse_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const BitField<PropertyUsageFlags> p_usage, const bool p_wide) override;
+
+	EditorInspectorPluginTextureRegion();
+};
+
+class TextureRegionEditorPlugin : public EditorPlugin {
+	GDCLASS(TextureRegionEditorPlugin, EditorPlugin);
+
+public:
+	virtual String get_plugin_name() const override { return "TextureRegion"; }
+
+	TextureRegionEditorPlugin();
+};